Certo, S. C. (2000). Supervision: Concepts and skill building (3rd ed.). Irwin.
Chicagoスタイル(17版)引用形式Certo, Samuel C. Supervision: Concepts and Skill Building. 3rd ed. Illinois: Irwin, 2000.
MLA(9版)引用形式Certo, Samuel C. Supervision: Concepts and Skill Building. 3rd ed. Irwin, 2000.
警告: この引用は必ずしも正確ではありません.